General
-
Target
99bae4effd7113b7decd48c23ea5cc6626a9b4f222ec9ad862d00a5a03cbb498N.exe
-
Size
1.0MB
-
Sample
241202-f4m15axjal
-
MD5
80de5279605dda35d99f32d926d6d600
-
SHA1
4126656e487d6e427a7e279dcae123a36906e2ea
-
SHA256
99bae4effd7113b7decd48c23ea5cc6626a9b4f222ec9ad862d00a5a03cbb498
-
SHA512
e328d7e90b57b081a771e969a25cc7f9ec91d62c5ef716bef71861b2dda70779c906f7c76d0403deba25e0650b27467ab719a411c90b4f9f66ef230eb1d7a990
-
SSDEEP
12288:sP2N7DeTXX5qeIeLsdxv/xedn6IwyMbfhC6hQs3uUbG6ddD7HFPMmXgAff+75LMS:sP28z7IeYxvJeKHdZH3OacV3d9CE
Behavioral task
behavioral1
Sample
99bae4effd7113b7decd48c23ea5cc6626a9b4f222ec9ad862d00a5a03cbb498N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
99bae4effd7113b7decd48c23ea5cc6626a9b4f222ec9ad862d00a5a03cbb498N.exe
Resource
win10v2004-20241007-en
Malware Config
Targets
-
-
Target
99bae4effd7113b7decd48c23ea5cc6626a9b4f222ec9ad862d00a5a03cbb498N.exe
-
Size
1.0MB
-
MD5
80de5279605dda35d99f32d926d6d600
-
SHA1
4126656e487d6e427a7e279dcae123a36906e2ea
-
SHA256
99bae4effd7113b7decd48c23ea5cc6626a9b4f222ec9ad862d00a5a03cbb498
-
SHA512
e328d7e90b57b081a771e969a25cc7f9ec91d62c5ef716bef71861b2dda70779c906f7c76d0403deba25e0650b27467ab719a411c90b4f9f66ef230eb1d7a990
-
SSDEEP
12288:sP2N7DeTXX5qeIeLsdxv/xedn6IwyMbfhC6hQs3uUbG6ddD7HFPMmXgAff+75LMS:sP28z7IeYxvJeKHdZH3OacV3d9CE
-
DcRat
DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.
-
Dcrat family
-
Modifies WinLogon for persistence
-
Process spawned unexpected child process
This typically indicates the parent process was compromised via an exploit or macro.
-
Command and Scripting Interpreter: PowerShell
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
-
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
-
Executes dropped EXE
-
Adds Run key to start application
-
MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Scheduled Task/Job
1Scheduled Task
1